MassMutual is first jersey patch sponsor of the Red Sox

It's come to this: our Red Sox as human billboards

MLB's announced jersey patch deals so far-San Diego Padres: Motorola. Boston Red Sox: MassMutual. Los Angeles Angels: Foundation Building Materials. Arizona Diamondbacks: Avnet : r/baseball

Yankees Jersey Patch Deal Is MLB's Richest at $25M a Year –

MLB Opening Day: Jersey Patches - Foul Or Fair Game?

MassMutual, Red Sox announce multiyear partnership

Marlins, ADT announce jersey patch sponsorship - Fish Stripes

Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times

Twins making careful decision about ad patches on players' jerseys

Red Sox, MassMutual Partner Up

John Hancock ending long-held Boston Red Sox sponsorship

Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News

Red Sox Reportedly Strike $170M Jersey Patch Deal

Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal